ATA8741 ATMEL Corporation, ATA8741 Datasheet - Page 5

• Manufacturer Part Number: ATA8741
• Manufacturer: ATMEL Corporation

2.1
Table 2-2.
9140B–INDCO–07/09
Pin
10
11
20
8
9
Pin Configuration of RF Pins
PA_ENABLE
Symbol
Pin Description
ANT2
ANT1
XTAL
CLK
Function
Clock output signal for microcontroller.
The clock output frequency is set by the
crystal to f
Switches on power amplifier.
Used for ASK modulation.
Emitter of antenna output stage.
Open collector antenna output.
Connection for crystal.
XTAL
/4.
PA_ENABLE
182 µA
XTAL
100
100
50 k
Configuration
1.5 k
20 µA
VS
VS
1.2 k
CLK
ANT1
ANT2
VS
ATA8741
U
REF
= 1.1V
5